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A Comparative Study of b- and d-Waves of the Electroretinogram, in Frogs (Rana Catesbeiana)

Published online by Cambridge University Press:  18 September 2015

S. Molotchnikoff  and
F. Guertin-Laurin
S. Molotchnikoff*
Affiliation:
Département de Sciences biologiques, Université de Montréal
F. Guertin-Laurin
Affiliation:
Département de Sciences biologiques, Université de Montréal
*
Département de Sciences biologiques, Université de Montréal, C.P. 6128, Succursale “A”, Montreal H3C 3J7 Canada.
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The aim of this study was to compare the b- and d- waves of the ERG, evoked respectively by ON and OFF stimuli. The experiements were carried out on frogs. The d-wave is facilitated by light adaptation and relatively high stimulus intensity. The depth profiles of b- and dwaves are different. Aspartic acid abolished only the b-wave whereas nembutal affected the d-wave. These results suggested that b- and d-waves were produced by separate neuronal mechanisms, even though both appeared as positive deflection in the corneal ERG and were sensitive to K+ ion.

Type
Research Article
Information
Canadian Journal of Neurological Sciences , Volume 5 , Issue 4 , November 1978 , pp. 389 - 395
Copyright
Copyright © Canadian Neurological Sciences Federation 1978

References

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